Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 6 19.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2019   02:52:05   (  79.21,  31.84) 06/21/2019   02:51:06  (  79.21,  31.79)    1.22                59
 06/21/2019   03:41:25   ( -79.49,-158.67) 06/21/2019   03:41:43  ( -79.49,-158.69)    0.54                18
 06/23/2019   19:08:28   (  79.41, 149.02) 06/23/2019   19:07:56  (  79.42, 149.17)    3.17                32
 06/23/2019   19:57:52   ( -79.54, -42.47) 06/23/2019   19:58:38  ( -79.53, -42.60)    2.75                46
 06/26/2019   11:24:55   (  79.45, -94.83) 06/26/2019   11:24:51  (  79.46, -94.76)    1.59                 4
 06/26/2019   12:14:16   ( -79.69,  74.50) 06/26/2019   12:15:29  ( -79.69,  74.60)    1.96                73
 06/29/2019   02:52:01   ( -79.27,-147.77) 06/29/2019   02:51:07  ( -79.27,-147.72)    1.25                54
 06/29/2019   03:41:20   (  79.52,  21.56) 06/29/2019   03:41:44  (  79.52,  21.58)    0.48                24
 07/01/2019   19:08:27   ( -79.34, -31.41) 07/01/2019   19:08:01  ( -79.35, -31.40)    0.44                26